Ammonite / Close up of a Common snail (Cornu aspersum) moving, with Woodlice (Oniscidea). Controlled conditions.

Melvin Grey / Pinocchio lizard (Anolis proboscis) male, Mindo, Ecuador. Controlled conditions.

Bert Willaert / Composite image of American fish species introduced to Europe: Pumpkinseed sunfish (Lepomis gibbosus, left), Brown bullhead (Ameiurus nebulosus, right) and Eastern mudminnow (Umbra pygmaea, under), ph...

Jan Hamrsky / Great Diving Beetle (Dytiscus marginalis) larva feeding on small fish. Czech Republic. Controlled conditions.

Stephen Dalton / Domestic cat (Felis catus) watching House mouse (Mus musculus) appear from under furniture, UK, controlled conditions

Stephen Dalton / Barn owl (Tyto alba) in flight, flying down to catch rat prey, UK, manipulated image (controlled conditions rat protected by sheet of perspex)

Stephen Dalton / Green cat snake (Boiga cyanea) striking, a rear-fanged arboreal rainforest species, controlled conditions, from India and SE Asia

Stephen Dalton / Green cat snake (Boiga cyanea) defensive behaviour, a rear-fanged arboreal rainforest species, controlled conditions, from India and SE Asia

Doug Gimesy / Platypus (Ornithorhynchus anatinus), just released onto a log in Little Yarra River, Yarra Junction, Victoria, Australia. April 2018. Controlled species.

Robert Valentic / Milos Viper (Macrovipera schweizeri) inhabiting the rocky shoreline of a freshwater lake on Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos Viper (Macrovipera schweizeri) sub adult luring potential prey to within striking range with tail. Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos Viper (Macrovipera schweizeri) sub-adult in the grounds of a church, Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos Viper (Macrovipera schweizeri) from the western side of Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos Viper (Macrovipera schweizeri) sub-adult basking along a rock outcrop on a lake shoreline on Milos Island, Greece, July. Controlled conditions.

Doug Gimesy / Approximately 2 weeks premature, a rescued male baby Grey-headed Flying-fox (Pteropus poliocephalus) is bottle-fed by wildlife carer Bev Brown. Named 'Dinky' he was found the pervious day...

Doug Gimesy / Approximately 2 weeks premature, a rescued male baby Grey-headed Flying-fox (Pteropus poliocephalus) is bottle-fed by wildlife carer Bev Brown. Named 'Dinky' he was found the pervious day...

Heather Angel / Cherry laurel (Prunus laurocerasus) flowers. England, UK. April. Controlled conditions.

Heather Angel / Frog (Rana temporaria) spawn amongst invasive Fairy fern (Azolla filiculoides) from garden pond. Photographed in aquarium, controlled conditions. Surrey, England, UK. March.

Kim Taylor / Braconid wasp (Braconidae) laying an egg on a Lesser willow sawfly (Nematus pavidus) larva. Controlled conditions.

Kim Taylor / Braconid wasp (Braconidae) trying to lay an egg on a Lesser willow sawfly (Nematus pavidus) larva, which pushes the wasp away with its body. Controlled conditions.

Kim Taylor / Braconid wasp (Braconidae) trying to lay an egg on a Lesser willow sawfly (Nematus pavidus) larva, which pushes the wasp away with its body. Controlled conditions.

Kim Taylor / Lesser willow sawfly (Nematus pavidus) larva trying to drive away a parasitic Braconid wasp (Braconidae). Controlled conditions.

Kim Taylor / Braconid wasp (Braconidae) trying to lay an egg on a Lesser willow sawfly (Nematus pavidus) larva, which pushes the wasp away with its body. Controlled conditions.

Kim Taylor / Lesser willow sawfly (Nematus pavidus) larva trying to drive away a parasitic Braconid wasp (Braconidae). Controlled conditions.

Jan Hamrsky / European crayfish (Astacus astacus), underwater, August, Europe, controlled conditions

Jan Hamrsky / European crayfish (Astacus astacus), underwater, August, Europe, controlled conditions

Jan Hamrsky / European crayfish (Astacus astacus), August, Europe, controlled conditions

Jan Hamrsky / European crayfish (Astacus astacus), underwater, August, Europe, controlled conditions

Jan Hamrsky / Summer mayfly nymphs (Siphlonurus lacustris) and Flathead mayfly nymph (Electrogena sp.), underwater, Europe, June, controlled conditions

Anup Shah / African elephant (Loxodonta africana) female matriarch approaching remote camera with curiosity - taken with a remote camera controlled by the photographer. Maasai Mara National Reserve, Kenya. July...

Anup Shah / African elephant (Loxodonta africana) female matriarch approaching remote camera with curiosity - taken with a remote camera controlled by the photographer. Maasai Mara National Reserve, Kenya. July 2...

Steve Downer / Baby slug, species uncertain, on underside of backlit leaf. Controlled conditions.

Steve Downer / Baby slug, species uncertain, on underside of backlit leaf. Controlled conditions.

John Abbott / Harlequin ladybird (Harmonia axyridis) flying, Tuscaloosa County, Alabama, USA Controlled conditions. January

John Abbott / Harlequin ladybird (Harmonia axyridis) flying, Tuscaloosa County, Alabama, USA Controlled conditions. January

Melvin Grey / Pinocchio lizard (Anolis proboscis) male, Mindo, Ecuador. Controlled conditions.

Daniel Heuclin / Black-tailed rattlesnake (Crotalus molossus) with flies on head, Arizona, USA, September. Controlled conditions.

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) larva, head detail. Europe, June, controlled conditions.

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) larva breathing at surface, Europe, June, controlled conditions.

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) larva breathing at surface, Europe, June, controlled conditions.

Jan Hamrsky / Diving beetles (Graphoderus bilineatus) female (right) and male (left) Europe, August, controlled conditions

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) male, Europe, August, controlled conditions

Jan Hamrsky / Diving beetles (Graphoderus bilineatus) female (left) and male (right) Europe, August, controlled conditions

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) refilling the air supply by the surface, female, Europe, August, controlled conditions

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) refilling the air supply by the surface, male, Europe, August, controlled conditions

Jan Hamrsky / Diving beetle (Graphoderus bilineatus) cleaning its antennae, female, Europe, August, controlled conditions

Jan Hamrsky / Diving beetle larva (Graphoderus bilineatus) Europe, June, controlled conditions

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) adult walking along track. Chengdu, China. Taken under controlled conditions

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) adult walking along track. Chengdu, China. Taken under controlled conditions. Crop of 1458517

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) adult walking along track. Chengdu, China. Taken under controlled conditions

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) adult with sunlight streaming through trees, Chengdu, China. Taken under controlled conditions

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) in enclosure. Chengdu, China. Taken in controlled conditions

Ann & Steve Toon / Eurasian beaver (Castor fiber), grooming, captive in breeding programme, UK, June cropped

Ann & Steve Toon / Eurasian beaver (Castor fiber), grooming, captive in breeding programme, UK, June

Alex Mustard / Diver (Steve Braodbelt) prepares to spear Male lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and t...

Alex Mustard / Diver with a speared lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and therefore predation level l...

Jan Hamrsky / Spongillafly larva (Sisyra fuscata) feeding on freshwater sponge (Spongilla lacustris) Europe, September, controlled conditions

Jan Hamrsky / Spongillafly larva (Sisyra fuscata) on the gemules of freshwater sponge (Spongilla lacustris) Europe, September, controlled conditions

Jan Hamrsky / Spongillafly larva (Sisyra fuscata) sucking the fluids from the cells of the freshwater sponge, Europe, September, controlled conditions

Jan Hamrsky / White-legged damselfly nymph (Platycnemis pennipes) walking in the planktonic stalked colonies (Epistylis) Europe, August, controlled conditions

Jan Hamrsky / Large red damselfly nymph (Pyrrhosoma nymphula) and freshwater flatworm (Dugesia subtentaculata) in the planktonic stalked colonies (Epistylis) Europe, August, controlled conditions

Jan Hamrsky / Large red damselfly nymph (Pyrrhosoma nymphula)in the planktonic stalked colonies (Epistylis) Europe, August, controlled conditions

Jan Hamrsky / White-legged damselfly nymph (Platycnemis pennipes) walking in the planktonic stalked colonies (Epistylis) Europe, August, controlled conditions

Jan Hamrsky / Non-biting midge larvae (Chironomidae) in the shelter attached to the freshwater sponge (Spongilla lacustris) Europe, August, controlled conditions

Jan Hamrsky / Non-biting midge larvae (Chironomidae) in the shelter attached to the freshwater sponge (Spongilla lacustris) Europe, August, controlled conditions

Bert Willaert / Underside of a Darwin's Frog (Rhinoderma darwinii) Chile, January, Controlled conditions, Vulnerable species

Bert Willaert / Miguel's Ground Frog (Eupsophus migueli) Mehuin, Chile, December, white background, controlled conditions, Endangered Species

Bert Willaert / Mocha Island Ground Frog (Eupsophus insularis) Mocha Island, Chile, December. Controlled conditions. Critically Endangered species

Bert Willaert / Cabreria Spiny-chest Frog (Alsodes barrioi) Nahuelbuta National Park, Chile, December. controlled conditions, Vulnerable species

Bert Willaert / Contulmo Ground Frog (Eupsophus contulmoensis) endemic to the Nahuelbuta mountain range, Contulmo Natural Monument, Chile, December. Controlled conditions, Endangered species

Bert Willaert / Contulmo Ground Frog (Eupsophus contulmoensis) endemic to the Nahuelbuta mountain range, Contulmo Natural Monument, Chile, December. Controlled conditions, Endangered species

Bert Willaert / Darwin's Frog (Rhinoderma darwinii) Chile,Vulnerable species, Controlled conditions,

Bert Willaert / Vanzolini's Spiny-chest Frog (Alsodes vanzolinii) on white background, endemic to the Nahuelbuta mountain range, Chile, December. Controlled conditions. Critically Endangered species

Bert Willaert / Vanzolini's Spiny-chest Frog (Alsodes vanzolinii) on white background, endemic to the Nahuelbuta mountain range, Chile, December, controlled conditions. Critically Endangered species

Daniel Heuclin / Desert monitor (Varanus griseus) trying to eat a Sand Viper (Cerastes vipera) a venomous species which is biting the Desert monitor, near Chinguetti, Mauritania Controlled conditions

Daniel Heuclin / Orsini's Viper or Meadow Viper (Vipera ursinii wettsteini) eating a Short-horned Grasshopper (Calliptamus italicus) controlled conditions, South East France, September. Vulnerable species.

Daniel Heuclin / Orsini's Viper or Meadow Viper (Vipera ursinii wettsteini) controlled conditions, South East France, September. Vulnerable species.

Daniel Heuclin / Orsini's Viper or Meadow Viper (Vipera ursinii wettsteini) eating a Short-horned Grasshopper (Calliptamus italicus) controlled conditions, South East France, September. Vulnerable species.

Daniel Heuclin / Orsini's Viper or Meadow Viper (Vipera ursinii wettsteini) controlled conditions, South East France, September. Vulnerable species.

Daniel Heuclin / Orsini's Viper or Meadow Viper (Vipera ursinii wettsteini) controlled conditions, South East France, September. Vulnerable species.

Daniel Heuclin / Desert monitor (Varanus griseus) trying to ingest a Sand Viper (Cerastes vipera) a venomous species which is biting the Desert monitor, near Chinguetti, Mauritania Controlled conditions

Barry Mansell / Short-tailed snake (Stilosoma extenuatum) Hernando Co. Florida, USA, Threatened species. Controlled conditions

Barry Mansell / Cuban treefrog (Osteopilus septentrionalis) Lake Kissimmee, South Florida, USA. Introduced into the USA from the West Indies. Controlled conditions

Daniel Heuclin / Pyrenean desman (Galemys pyrenaicus pyrenaicus) Pyrenees, France, Controlled conditions. vulnerable species

Daniel Heuclin / Pyrenean desman (Galemys pyrenaicus pyrenaicus) Pyrenees, France, Controlled conditions. vulnerable species

Daniel Heuclin / Mediterranean Gecko (Hemidactylus turcicus) on a wooden plank. Controlled conditions. Florida Keys (introduced species), USA, November.

Daniel Heuclin / Philippine bluntheaded tree snake (Boiga philippina) coiled round tree branch, Luzon, Philippines, Endemic Species, January, Controlled conditions

Daniel Heuclin / Philippine bluntheaded tree snake (Boiga philippina) moving through the air, between trees. Luzon, Philippines, Endemic Species, January, Controlled conditions

Daniel Heuclin / Three Asp vipers (Vipera aspis) on red earth, each a different colour morph. France, Europe. Controlled conditions.

Daniel Heuclin / European whipsnake (Hierophis / Coluber viridiflavus) attacking an approaching Red fox (Vulpes vulpes) Poitou, France, Europe. Controlled conditions.

Stephen Dalton / Hume's bar tailed pheasant (Syrmaticus humiae) on grass, Endangered species, controlled conditions

Stephen Dalton / African grey parrot (Psittacus erithacus) feeding on piece of lychee fruit, controlled conditions, Endangered species

Stephen Dalton / American mink (Mustela vison) controlled conditions, UK, introduced species

Barry Mansell / Scarab beetle (Peltotrupes profundus) endemic to Florida. Controlled conditions.

Barry Mansell / Scarab beetle (Peltotrupes profundus) endemic to Florida. Controlled conditions.

Barry Mansell / Cave amphipod (Stygobromus sp) newly discovered species from Florida. Controlled conditions.